Home / 205,238.56-283,276.42-120,382.96

Finding the Fourth Proportional to 205,238.56, 283,276.42 and 120,382.96

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Solution

The fourth proportional to 205,238.56, 283,276.42 and 120,382.96 is: 166,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,238.56 : 283,276.42 = 120,382.96 : x
  2. Step 2: Convert to fraction form
    205,238.56/283,276.42 = 120,382.96/x
  3. Step 3: Cross multiply
    205,238.56x = 283,276.42 × 120,382.96
  4. Step 4: Simplify right side
    205,238.56x = 34,101,653,937.80
  5. Step 5: Solve for x
    x = 34,101,653,937.80/205,238.56
  6. Step 6: Final answer
    x = 166,156.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.